* {
    margin: 0;
    padding: 0;
  }
  ul {
    list-style: none;
  }
  a {
    text-decoration: none;
  }
  body {
    font-family: 微软雅黑;
    font-size: 14px;
    line-height: 1;
  }
  a {
    text-decoration: none;
  }
